Add Roboto

MainUI.cs

@@ -9,14 +9,54 @@ static class MainUI
 
     public static List<Tab> tabs = new List<Tab>();
 
+    public static ImFontPtr Font;
+    public static List<ImFontPtr> HeadingFonts = new List<ImFontPtr>();
+    public static ImFontPtr MonospaceFont;
+
     public static void NewTab(string url)
     {
         tabs.Add(new Tab(url));
     }
 
+    public static unsafe void AddFontFromResource(string resource, Action<IntPtr, int> f)
+    {
+        var io = ImGui.GetIO();
+        using(var m = new MemoryStream())
+        {
+            Assembly.GetExecutingAssembly().GetManifestResourceStream(resource).CopyTo(m);
+            var fontBuffer = m.ToArray();
+            fixed(byte* buffer = fontBuffer)
+            {
+                f(new IntPtr(buffer), fontBuffer.Length);
+            }
+        }
+    }
+
+    public static unsafe bool Load()
+    {
+        var io = ImGui.GetIO();
+        ImGui.StyleColorsDark();
+        io.ConfigFlags |= ImGuiConfigFlags.DockingEnable;
+
+        AddFontFromResource("RobotoFlex.ttf", (buf, len)=>{
+            Font = io.Fonts.AddFontFromMemoryTTF(buf, len, 16f);
+            HeadingFonts.Add(io.Fonts.AddFontFromMemoryTTF(buf, len, 32f));
+            HeadingFonts.Add(io.Fonts.AddFontFromMemoryTTF(buf, len, 24f));
+            HeadingFonts.Add(io.Fonts.AddFontFromMemoryTTF(buf, len, 20f));
+        });
+        AddFontFromResource("RobotoMono.ttf", (buf, len)=>{
+            MonospaceFont = io.Fonts.AddFontFromMemoryTTF(buf, len, 16f);
+        });
+
+        return true;
+    }
+
     public static bool Render()
     {
         bool quit = true;
+
+        ImGui.PushFont(Font);
+
         ImGui.DockSpaceOverViewport();
 
         Gui.MainMenuBar(()=>
@@ -45,6 +85,8 @@ static class MainUI
             tab.Render();
         }
 
+        ImGui.PopFont();
+
         return quit;
     }
 }

Media/GeminiMediaHandler.cs

@@ -32,6 +32,8 @@ class GeminiMediaHandler : MediaHandler
             if(line.StartsWith("```"))
             {
                 formatting = !formatting;
+                if(formatting) ImGui.PopFont();
+                else ImGui.PushFont(MainUI.MonospaceFont);
             }
             else if(formatting)
             {
@@ -47,19 +49,14 @@ class GeminiMediaHandler : MediaHandler
                 }
                 else if(line.StartsWith("#"))
                 {
-                    var scale = 2f;
                     var heading = 1;
-                    if(line.StartsWith("##")) (scale, heading) = (1.5f, 2);
-                    if(line.StartsWith("###")) (scale, heading) = (1.25f, 3);
+                    if(line.StartsWith("##")) heading = 2;
+                    if(line.StartsWith("###")) heading = 3;
 
-                    var font = ImGui.GetFont();
-                    float oldScale = font.Scale;
-                    font.Scale *= scale;
-                    ImGui.PushFont(font);
+                    ImGui.PushFont(MainUI.HeadingFonts[heading-1]);
 
                     ImGui.TextUnformatted(line[heading..].Trim());
 
-                    font.Scale = oldScale;
                     ImGui.PopFont();
                 }
                 else if(line.StartsWith("* "))
@@ -76,5 +73,6 @@ class GeminiMediaHandler : MediaHandler
             else
                 ImGui.TextUnformatted(line);
         }
+        if(!formatting) ImGui.PopFont();
     }
 }

Program.cs

@@ -10,12 +10,15 @@ class Program
     {
         Raylib.SetConfigFlags(ConfigFlags.FLAG_WINDOW_RESIZABLE | ConfigFlags.FLAG_WINDOW_MAXIMIZED);
         Raylib.InitWindow(1024, 768, "Shoko");
-        rlImGui.Setup(true);
-        ImGui.GetIO().ConfigFlags |= ImGuiConfigFlags.DockingEnable;
-        bool quit = true;
+
+        rlImGui.BeginInitImGui();
+        bool quit = MainUI.Load();
+        rlImGui.EndInitImGui();
+
         if(args.Length > 0)
             foreach (var arg in args)
                 MainUI.NewTab(arg);
+
         while(!Raylib.WindowShouldClose() && quit)
         {
             Raylib.BeginDrawing();

shoko.csproj

@@ -15,6 +15,9 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <EmbeddedResource Include="Resources/RobotoFlex.ttf" LogicalName="RobotoFlex.ttf" />
+    <EmbeddedResource Include="Resources/RobotoMono.ttf" LogicalName="RobotoMono.ttf" />
+
     <PackageReference Include="Raylib-cs" Version="4.5.0.4" />
     <PackageReference Include="rlImgui-cs" Version="1.0.3" />
     <PackageReference Include="ImGui.NET" Version="1.89.9.2" />